diff --git a/package.json b/package.json
index fb263207bb..2e1c41997a 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
   },
   "scripts": {
     "cm": "npx git-cz",
-    "build": "lerna run build:orthanc --stream",
+    "build": "lerna run build:viewer --stream",
     "build:lt": "lerna run build:viewer:lesion-tracker --stream",
     "build:ci": "lerna run build:viewer:ci --stream",
     "build:demo": "lerna run build:viewer:demo --stream",
@@ -43,11 +43,7 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.5.5",
-    "core-js": "^3.2.1",
-    "pdfjs-dist": "^2.2.228",
-    "react-transition-group": "^4.2.1",
-    "worker-loader": "^2.0.0",
-    "yarn": "^1.22.19"
+    "core-js": "^3.2.1"
   },
   "devDependencies": {
     "@babel/core": "^7.5.0",
diff --git a/platform/viewer/src/components/Header/editServerContent.js b/platform/viewer/src/components/Header/editServerContent.js
index 8e891c1e08..1c0ac414db 100644
--- a/platform/viewer/src/components/Header/editServerContent.js
+++ b/platform/viewer/src/components/Header/editServerContent.js
@@ -54,7 +54,7 @@ function EditServerContent(props) {
 
   const pingServer = () => {
     const start = (new Date()).getTime()
-    let server = process.env.NODE_ENV === "development" ? `/${addServerValue}` : `http://${addServerValue}`
+    let server = process.env.NODE_ENV === "development" ? `/${addServerValue}:2099` : `http://${addServerValue}:2099`
     fetch(server, { mode: 'no-cors', }).then(() => {
       const delta = (new Date()).getTime() - start
       if (delta > 10000) {